The Nut,plain,round, cataloged under National Stock Number 5310-01-093-5147, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mcmellon Bros., Incorporated Dba Mc Mellon Brothers Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-093-5147 |
| Primary Part Number | 70351-08119-101 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mcmellon Bros., Incorporated Dba Mc Mellon Brothers Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | SS8416 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | BUTTRESS |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 1.600 INCHES NOMINAL IN |
| Thread Direction | LEFT-HAND |
| Nominal Thread Size | 7.750 INCHES IN |
| Nut Diameter | 8.250 INCHES NOMINAL IN |
| Drive Point Depth | 0.625 INCHES NOMINAL IN |
| Undercut Thickness | 0.060 INCHES NOMINAL IN |
| Nut Thickness | 0.500 INCHES NOMINAL IN |
| Small End Diameter | 8.100 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 10 |
| Material | STEEL COMP 4130 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 70351-08119-101 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 70351-08119-101 PRIMARY | Mcmellon Bros., Incorporated Dba Mc Mellon Brothers Inc (USA) |
NSN 5310-01-093-5147 is a Nut,plain,round, manufactured by Mcmellon Bros., Incorporated Dba Mc Mellon Brothers Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-093-5147 has 2 manufacturer part numbers on file: 70351-08119-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 70351-08119-101 (Mcmellon Bros., Incorporated Dba Mc Mellon Brothers Inc).
Key specifications for 70351-08119-101: Surface Treatment Document and Classification: SS8416 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Series: BUTTRESS; Hardness Rating: 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM; Material Document and Classification: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 18 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.